Steady solutions of the Euler equations are calculated for an infinite array of vortices, consisting of two staggered parallel rows of identical vortices of finite area and uniform vorticity. These models are similar to the “vortex streets” studied theoretically by von Kármán and others, except that here vortices of finite rather than infinitesimal area are employed.
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Saffman et al. (1981) studied this question.